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André Almeida 89933f8ab3 unicode: Fix utf8_load() error path 
[ Upstream commit 156bb2c569 ]

utf8_load() requests the symbol "utf8_data_table" and then checks if the
requested UTF-8 version is supported. If it's unsupported, it tries to
put the data table using symbol_put(). If an unsupported version is
requested, symbol_put() fails like this:

 kernel BUG at kernel/module/main.c:786!
 RIP: 0010:__symbol_put+0x93/0xb0
 Call Trace:
  <TASK>
  ? __die_body.cold+0x19/0x27
  ? die+0x2e/0x50
  ? do_trap+0xca/0x110
  ? do_error_trap+0x65/0x80
  ? __symbol_put+0x93/0xb0
  ? exc_invalid_op+0x51/0x70
  ? __symbol_put+0x93/0xb0
  ? asm_exc_invalid_op+0x1a/0x20
  ? __pfx_cmp_name+0x10/0x10
  ? __symbol_put+0x93/0xb0
  ? __symbol_put+0x62/0xb0
  utf8_load+0xf8/0x150

That happens because symbol_put() expects the unique string that
identify the symbol, instead of a pointer to the loaded symbol. Fix that
by using such string.

Fixes: 2b3d047870 ("unicode: Add utf8-data module")
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Link: https://lore.kernel.org/r/20240902225511.757831-2-andrealmeid@igalia.com
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-05 14:02:01 +01:00
..
9p
Merge tag '9p-for-6.12-rc5' of https://github.com/martinetd/linux
2024-10-25 15:25:02 -07:00
adfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
affs
Merge tag 'affs-for-6.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2024-09-16 13:07:59 +02:00
afs
Merge tag 'vfs-6.12-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
2024-11-01 07:37:10 -10:00
autofs
autofs: fix thinko in validate_dev_ioctl()
2024-10-28 13:16:56 +01:00
bcachefs
bcachefs: Fix assertion pop in bch2_ptr_swab()
2024-11-12 03:46:57 -05:00
befs
befs: Convert befs_symlink_read_folio() to use folio_end_read()
2024-05-31 12:31:39 +02:00
bfs
fs: Convert aops->write_begin to take a folio
2024-08-07 11:33:21 +02:00
btrfs
Merge tag 'for-6.12-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
2024-11-15 09:45:32 -08:00
cachefiles
cachefiles: Fix NULL pointer dereference in object->file
2024-12-05 14:01:14 +01:00
ceph
Merge tag 'ceph-for-6.12-rc2' of https://github.com/ceph/ceph-client
2024-10-04 10:10:23 -07:00
coda
coda: use param->file for FSCONFIG_SET_FD
2024-08-19 13:45:03 +02:00
configfs
fs/configfs: Add a callback to determine attribute visibility
2024-06-17 20:42:57 +02:00
cramfs
Merge tag 'vfs-6.11.module.description' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2024-07-15 11:14:59 -07:00
crypto
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
debugfs
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
devpts
…
dlm
dlm: fix dlm_recover_members refcount on error
2024-12-05 14:02:00 +01:00
ecryptfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
efivarfs
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
efs
efs: fix the efs new mount api implementation
2024-12-05 14:01:10 +01:00
erofs
erofs: handle NONHEAD !delta[1] lclusters gracefully
2024-12-05 14:02:00 +01:00
exfat
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
exportfs
fhandle: relax open_by_handle_at() permission checks
2024-05-28 15:57:23 +02:00
ext2
Merge tag 'vfs-6.12.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2024-09-16 09:14:02 +02:00
ext4
ext4: fix race in buffer_head read fault injection
2024-12-05 14:01:15 +01:00
f2fs
f2fs: allow parallel DIO reads
2024-10-11 15:12:07 +00:00
fat
fat: fix uninitialized variable
2024-10-17 00:28:06 -07:00
freevxfs
freevxfs: Convert freevxfs to the new mount API.
2024-03-26 09:04:53 +01:00
fuse
fuse: remove stray debug line
2024-10-25 17:05:49 +02:00
gfs2
Merge tag 'gfs2-v6.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
2024-09-23 11:55:17 -07:00
hfs
fs: Convert aops->write_begin to take a folio
2024-08-07 11:33:21 +02:00
hfsplus
hfsplus: don't query the device logical block size multiple times
2024-12-05 14:01:15 +01:00
hostfs
fs: Convert aops->write_begin to take a folio
2024-08-07 11:33:21 +02:00
hpfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
hugetlbfs
fs: Convert aops->write_begin to take a folio
2024-08-07 11:33:21 +02:00
iomap
Merge tag 'vfs-6.12-rc6.iomap' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
2024-11-01 07:45:00 -10:00
isofs
isofs: avoid memory leak in iocharset
2024-12-05 14:01:54 +01:00
jbd2
jbd2: remove unneeded check of ret in jbd2_fc_get_buf
2024-08-26 23:49:15 -04:00
jffs2
jffs2: Use a folio in jffs2_garbage_collect_dnode()
2024-08-19 13:40:00 +02:00
jfs
jfs: Fix sanity check in dbMount
2024-10-22 09:40:37 -05:00
kernfs
kernfs: mount: Remove unnecessary ‘NULL’ values from knparent
2024-05-04 19:02:39 +02:00
lockd
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
minix
buffer: Convert __block_write_begin() to take a folio
2024-08-07 11:33:36 +02:00
netfs
netfs/fscache: Add a memory barrier for FSCACHE_VOLUME_CREATING
2024-12-05 14:01:14 +01:00
nfs
nfs: avoid i_lock contention in nfs_clear_invalid_mapping
2024-11-04 10:24:19 -05:00
nfs_common
nfs_common: fix localio to cope with racing nfs_local_probe()
2024-11-04 10:24:19 -05:00
nfsd
Merge tag 'nfsd-6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2024-11-09 13:18:07 -08:00
nilfs2
nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint
2024-11-11 17:20:23 -08:00
nls
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
notify
inotify: Fix possible deadlock in fsnotify_destroy_mark
2024-10-02 15:14:29 +02:00
ntfs3
Merge tag 'ntfs3_for_6.12' of https://github.com/Paragon-Software-Group/linux-ntfs3
2024-10-08 10:53:06 -07:00
ocfs2
ocfs2: uncache inode which has failed entering the group
2024-11-14 22:43:48 -08:00
omfs
fs: Convert aops->write_begin to take a folio
2024-08-07 11:33:21 +02:00
openpromfs
openpromfs: add missing MODULE_DESCRIPTION() macro
2024-06-20 09:46:01 +02:00
orangefs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
overlayfs
fs: pass offset and result to backing_file end_write() callback
2024-10-16 13:17:45 +02:00
proc
Merge tag 'mm-hotfixes-stable-2024-11-16-15-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-11-16 16:00:38 -08:00
pstore
Merge tag 'drm-next-2024-09-19' of https://gitlab.freedesktop.org/drm/kernel
2024-09-19 10:18:15 +02:00
qnx4
qnx4: add MODULE_DESCRIPTION()
2024-05-28 11:52:53 +02:00
qnx6
qnx6: Convert directory handling to use kmap_local
2024-08-07 11:31:56 +02:00
quota
Merge tag 'fs_for_v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2024-09-23 10:49:28 -07:00
ramfs
mm: switch mm->get_unmapped_area() to a flag
2024-04-25 20:56:25 -07:00
reiserfs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
romfs
romfs: fix romfs_read_folio()
2024-08-21 22:32:58 +02:00
smb
Merge tag 'v6.12-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6
2024-11-09 12:58:23 -08:00
squashfs
Squashfs: fix variable overflow in squashfs_readpage_block
2024-10-30 20:14:12 -07:00
sysfs
Merge 6.9-rc5 into driver-core-next
2024-04-23 13:27:43 +02:00
sysv
buffer: Convert __block_write_begin() to take a folio
2024-08-07 11:33:36 +02:00
tests
execve: Move KUnit tests to tests/ subdirectory
2024-07-22 18:25:47 -07:00
tracefs
tracing: Fix tracefs mount options
2024-11-01 08:38:14 -04:00
ubifs
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
udf
udf: fix uninit-value use in udf_get_fileshortad
2024-10-02 14:32:37 +02:00
ufs
ufs_rename(): fix bogus argument of folio_release_kmap()
2024-10-02 00:05:09 -04:00
unicode
unicode: Fix utf8_load() error path
2024-12-05 14:02:01 +01:00
vboxsf
fs: Convert aops->write_end to take a folio
2024-08-07 11:32:02 +02:00
verity
fsverity: expose verified fsverity built-in signatures to LSMs
2024-08-20 14:03:18 -04:00
xfs
Merge tag 'xfs-6.12-fixes-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2024-11-02 09:22:16 -10:00
zonefs
Merge tag 'zonefs-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
2024-10-02 12:02:15 -07:00
aio.c
fs/aio: Fix __percpu annotation of *cpu pointer in struct kioctx
2024-08-19 13:45:03 +02:00
anon_inodes.c
fs: Create anon_inode_getfile_fmode()
2024-04-26 10:33:05 +02:00
attr.c
Merge tag 'nfsd-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2024-08-29 06:20:44 +12:00
backing-file.c
fs: pass offset and result to backing_file end_write() callback
2024-10-16 13:17:45 +02:00
bad_inode.c
…
binfmt_elf_fdpic.c
binfmt_elf_fdpic: fix AUXV size calculation when ELF_HWCAP2 is defined
2024-08-26 13:00:38 -07:00
binfmt_elf.c
Revert "binfmt_elf, coredump: Log the reason of the failed core dumps"
2024-09-26 11:39:02 -07:00
binfmt_flat.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
binfmt_misc.c
Merge tag 'vfs-6.11.module.description' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2024-07-15 11:14:59 -07:00
binfmt_script.c
fs: binfmt: add missing MODULE_DESCRIPTION() macros
2024-05-28 12:06:51 +02:00
bpf_fs_kfuncs.c
bpf: Add kfunc bpf_get_dentry_xattr() to read xattr from dentry
2024-08-07 11:26:54 -07:00
buffer.c
Merge tag 'vfs-6.12.folio' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
2024-09-16 08:54:30 +02:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
Revert "binfmt_elf, coredump: Log the reason of the failed core dumps"
2024-09-26 11:39:02 -07:00
d_path.c
…
dax.c
fsdax: dax_unshare_iter needs to copy entire blocks
2024-10-07 13:51:47 +02:00
dcache.c
Merge tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
2024-09-16 08:35:09 +02:00
direct-io.c
fs/direct-io: Remove linux/prefetch.h include
2024-08-19 13:45:02 +02:00
drop_caches.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
eventfd.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
eventpoll.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
exec.c
Merge tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-09-21 07:29:05 -07:00
fcntl.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
fhandle.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
file_table.c
Merge tag 'slab-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
2024-09-18 08:53:53 +02:00
file.c
close_range(): fix the logics in descriptor table trimming
2024-09-29 21:52:29 -04:00
filesystems.c
…
fs_context.c
…
fs_parser.c
fs_parse: add uid & gid option option parsing helpers
2024-07-02 06:20:49 +02:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
inode: port __I_SYNC to var event
2024-08-30 08:22:39 +02:00
fsopen.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
init.c
…
inode.c
bcachefs: do not use PF_MEMALLOC_NORECLAIM
2024-10-09 12:47:18 -07:00
internal.h
file: reclaim 24 bytes from f_owner
2024-08-28 13:05:39 +02:00
ioctl.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
Kconfig
nfs_common: fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT
2024-10-03 16:19:51 -04:00
Kconfig.binfmt
exec: Add KUnit test for bprm_stack_limits()
2024-06-19 13:13:55 -07:00
kernel_read_file.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
libfs.c
Merge tag 'vfs-6.12.folio' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
2024-09-16 08:54:30 +02:00
locks.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
Makefile
bpf: introduce new VFS based BPF kfuncs
2024-08-06 09:01:41 -07:00
mbcache.c
…
mnt_idmapping.c
Merge tag 'fuse-update-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2024-09-24 15:29:42 -07:00
mount.h
Merge tag 'vfs-6.12.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2024-09-16 11:15:26 +02:00
mpage.c
buffer: Remove calls to set and clear the folio error flag
2024-05-31 12:31:43 +02:00
namei.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
namespace.c
fs: don't try and remove empty rbtree node
2024-10-17 15:33:43 +02:00
nsfs.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
open.c
openat2: explicitly return -E2BIG for (usize > PAGE_SIZE)
2024-10-10 12:09:03 +02:00
pidfs.c
pidfs: check for valid pid namespace
2024-09-27 18:29:19 +02:00
pipe.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: Use in_group_or_capable() helper to simplify the code
2024-08-30 08:22:37 +02:00
proc_namespace.c
fs: rename show_mnt_opts -> show_vfsmnt_opts
2024-06-28 14:36:43 +02:00
read_write.c
fs/block: Check for IOCB_DIRECT in generic_atomic_write_valid()
2024-12-05 14:01:11 +01:00
readdir.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
remap_range.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
select.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
seq_file.c
seq_file: Simplify __seq_puts()
2024-05-02 16:28:20 +02:00
signalfd.c
Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2024-09-23 09:35:36 -07:00
splice.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
stack.c
…
stat.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
statfs.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
super.c
fs/super.c: introduce get_tree_bdev_flags()
2024-10-21 14:30:26 +02:00
sync.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
sysctls.c
…
timerfd.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
userfaultfd.c
fork: do not invoke uffd on fork if error occurs
2024-10-28 21:40:38 -07:00
utimes.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00
xattr.c
introduce fd_file(), convert all accessors to it.
2024-08-12 22:00:43 -04:00